吞定心丸

tūndìngxīnwán ㄊㄨㄣ ㄉㄧㄥˋ ㄒㄧㄣ ㄨㄢˊ

    • to get reassurance and stop worrying

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
to swallow a calming pill
Meaning
A variant of 吃定心丸: to get reassurance so that one stops worrying.

Sources